[The smile remains, despite that the words don't entirely make sense to him. It's not as though he's ever seen a rollercoaster for himself, never heard of or experienced one. And so his expression remains vaguely blank until the stranger thanks him, and Giovanni laughs a quiet laugh, shrugs the narrow shoulders his current companion is now leaning on.]

Just doing my duty, and all that.

[Just doing what's been asked of him, but he always has been good at that-- carrying out orders without question, regardless of his personal feelings.]

I can get you to a healer, if you want. Have someone check you over. Just in case the landing took more out of you than you think it did.

[And you'd be forgiven, for the moment at least, for mistaking him for someone who cares for the wellbeing of others.]